The New Keynesian Phillips Curve (NKPC), driven by unit labor costs has been criticized for failing to match inflation dynamics and for explaining the duration of price contracts. This paper extends recent attempts in the literature to improve the fit of the NKPC, by introducing a fuller...

The New Keynesian Phillips Curve (NKPC), driven by unit labor costs has been criticized for failing to match inflation dynamics and for explaining the duration of price contracts. This paper extends recent attempts in the literature to improve the fit of the NKPC, by introducing a fuller...

This paper investigates the nature of nonlinearities in the monetary policy rule of the US Fed using the flexible approach of Hamilton (2001). We find that while there is significant evidence of nonlinearity for the period to 1979, there is little such evidence for the subsequent period....